can skin
Verbo regular: skin - skinned- skinned

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can skin
you can skin
he can skin
we can skin
you can skin
they can skin 	I can be skinning
you can be skinning
he can be skinning
we can be skinning
you can be skinning
they can be skinning	I can have skinned
you can have skinned
he can have skinned
we can have skinned
you can have skinned
they can have skinned	I can have been skinning
you can have been skinning
he can have been skinning
we can have been skinning
you can have been skinning
they can have been skinning	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot skin
you cannot skin
he cannot skin
we cannot skin
you cannot skin
they cannot skin 	I cannot be skinning
you cannot be skinning
he cannot be skinning
we cannot be skinning
you cannot be skinning
they cannot be skinning	I cannot have skinned
you cannot have skinned
he cannot have skinned
we cannot have skinned
you cannot have skinned
they cannot have skinned	I cannot have been skinning
you cannot have been skinning
he cannot have been skinning
we cannot have been skinning
you cannot have been skinning
they cannot have been skinning	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I skin?
can you skin?
can he skin?
can we skin?
can you skin?
can they skin? 	can I be skinning?
can you be skinning?
can he be skinning?
can we be skinning?
can you be skinning?
can they be skinning? 	can I have skinned?
can you have skinned?
can he have skinned?
can we have skinned?
can you have skinned?
can they have skinned? 	can I have been skinning?
can you have been skinning?
can he have been skinning?
can we have been skinning?
can you have been skinning?
can they have been skinning? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not skin?
can you not skin?
can he not skin?
can we not skin?
can you not skin?
can they not skin? 	can I not be skinning?
can you not be skinning?
can he not be skinning?
can we not be skinning?
can you not be skinning?
can they not be skinning? 	can I not have skinned?
can you not have skinned?
can he not have skinned?
can we not have skinned?
can you not have skinned?
can they not have skinned? 	can I not have been skinning?
can you not have been skinning?
can he not have been skinning?
can we not have been skinning?
can you not have been skinning?
can they not have been skinning?